| MD | Players | Club | Nationality | DOB | A(D) |
|---|---|---|---|---|---|
| 24-May-2021 |  Seta Tuilevuka | Seattle Seawolves | United States | 27-Oct-1981 | 39(210) |
| 05-Jul-2021 | Kane Thompson | New Orleans Gold | Samoa | 09-Jan-1982 | 39(178) |
| 01-Aug-2021 | Matt Giteau | LA Giltinis | Australia | 29-Oct-1982 | 38(277) |
| 11-Jul-2021 | Rob Brouwer | Toronto Arrows | Canada | 10-Dec-1982 | 38(214) |
| 25-Jul-2021 | Sakaria Taulafo | Rugby United New York | Samoa | 29-Jan-1983 | 38(178) |
| 09-May-2021 | Juan Manuel Leguizamon | Rugby United New York | Argentina | 06-Jun-1983 | 37(338) |
| 25-Jul-2021 | Andrew Ellis | Rugby United New York | New Zealand | 21-Feb-1984 | 37(155) |
| 01-Aug-2021 | Adam Ashley Cooper | LA Giltinis | Australia | 27-Mar-1984 | 37(127) |
| 27-Jun-2021 | Johan Pietersen | San Diego Legions | South Africa | 18-May-1984 | 37(40) |
| 17-Jul-2021 | Isaac Ross | Austin Gilgronis | New Zealand | 27-Oct-1984 | 36(263) |
| 11-Jul-2021 | Kurt Morath | Austin Gilgronis | Tonga | 13-Nov-1984 | 36(240) |
| 11-Jul-2021 | Jamie MacKintosh | Austin Gilgronis | New Zealand | 20-Feb-1985 | 36(141) |
| 16-Jul-2021 | Samu Manoa | Seattle Seawolves | United States | 05-Mar-1985 | 36(133) |
| 17-Jul-2021 | Api Naikatini | Old Glory DC | Fiji | 04-Apr-1985 | 36(104) |
| 25-Jul-2021 | Ben Foden | Rugby United New York | England | 22-Jul-1985 | 36(3) |
| 11-Jul-2021 | Gaston Cortes | Toronto Arrows | Argentina | 06-Oct-1985 | 35(279) |
| 01-Aug-2021 | David Dennis | LA Giltinis | Australia | 10-Jan-1986 | 35(204) |
| 17-Jul-2021 | Ciarn Hearn | Old Glory DC | Canada | 30-Dec-1985 | 35(200) |
| 02-May-2021 | Osea Kolinisau | Old Glory DC | Fiji | 17-Nov-1985 | 35(167) |
| 01-Aug-2021 | William Helu | Rugby ATL | Tonga | 19-Apr-1986 | 35(105) |
| 01-Aug-2021 | Daniel Van Der Merwe | LA Giltinis | Canada | 28-Apr-1986 | 35(96) |
| 20-Jun-2021 | Chris Robshaw | San Diego Legions | England | 04-Jun-1986 | 35(17) |
| 16-Jul-2021 | Akihito Yamada | Seattle Seawolves | Japan | 26-Jul-1986 | 34(356) |
| 18-Apr-2021 | Eric Duechle | Seattle Seawolves | United States | 19-May-1986 | 34(335) |
| 26-Jul-2021 | Olive Kilifi | Utah Warriors | United States | 28-Sep-1986 | 34(302) |
| 16-Jul-2021 | Taylor Howden | Houston SaberCats | New Zealand | 26-Sep-1986 | 34(294) |
| 10-Jul-2021 | Bjorn Basson | San Diego Legions | South Africa | 11-Feb-1987 | 34(150) |
| 26-Apr-2021 | Les Soloai | Seattle Seawolves | New Zealand | 20-Feb-1987 | 34(66) |
| 16-Jul-2021 | Sam Windsor | Houston SaberCats | Australia | 12-Jun-1987 | 34(35) |
| 26-Jul-2021 | Saia Uhila | Utah Warriors | Tonga | 02-Jul-1987 | 34(25) |
| 16-Jul-2021 | Naulia Dawai | Seattle Seawolves | Fiji | 26-Jun-1987 | 34(21) |
| 15-May-2021 | Chris Baumann | San Diego Legions | United States | 18-May-1987 | 33(363) |
| 24-May-2021 | Drew Durutalo | Seattle Seawolves | United States | 25-Oct-1987 | 33(212) |
| 17-Jul-2021 | Josh Brown | Old Glory DC | United States | 05-Jan-1988 | 33(194) |
| 28-Jun-2021 | Mathew Turner | Seattle Seawolves | England | 18-Jan-1988 | 33(162) |
| 10-Jul-2021 | Cecil Afrika | San Diego Legions | South Africa | 03-Mar-1988 | 33(129) |
| 11-Jul-2021 | Frank Halai | Austin Gilgronis | New Zealand | 06-Mar-1988 | 33(127) |
| 03-May-2021 | Luke Hume | Rugby United New York | United States | 26-Jan-1988 | 33(98) |
| 10-Jul-2021 | Daniel Pryor | San Diego Legions | New Zealand | 14-Apr-1988 | 33(87) |
| 10-Jul-2021 | Jasa Veremalua | San Diego Legions | Fiji | 29-May-1988 | 33(42) |
| 16-Jul-2021 | Zach Pangelinan | Houston SaberCats | United States | 16-Jun-1988 | 33(30) |
| 10-Jul-2021 | Santiago Gonzalez Iglesias | San Diego Legions | Argentina | 16-Jun-1988 | 33(24) |
| 16-May-2021 | Shalom Suniula | Seattle Seawolves | United States | 04-Jun-1988 | 32(346) |
| 08-May-2021 | Peceli Rinakama | New England Free Jacks | Fiji | 01-Jun-1988 | 32(341) |
| 10-Jul-2021 | Paddy Ryan | San Diego Legions | Australia | 09-Aug-1988 | 32(335) |
| 06-Jun-2021 | Leandro Leivas | Toronto Arrows | Uruguay | 06-Jul-1988 | 32(335) |
| 12-Jun-2021 | Callum Gibbins | Old Glory DC | New Zealand | 04-Sep-1988 | 32(281) |
| 27-Jun-2021 | Thretton Palamo | Old Glory DC | United States | 22-Sep-1988 | 32(278) |
| 11-Jul-2021 | Michael Sheppard | Toronto Arrows | Canada | 20-Dec-1988 | 32(203) |
| 11-Jul-2021 | Tonata Lauti | Utah Warriors | Tonga | 26-Dec-1988 | 32(197) |
MD = Match date,
DOB = Date of birth,
A(D) = Age(days).